| 单词 | pollen grain |
| 释义 | 例句释义: 花粉粒,花粉粒萌发,花粉颗粒,纯花粉 1. In a sporophytic interaction, the surface of the pollen grain is recognized, normally by the stigma. 在孢子体相互作用中，通常是由柱头识别花粉粒的表面。 jxzy.lynu.edu.cn 2. The probability of any air -borne pollen grain impacting a female strobilus is in any case very small . 任何在空气中飘浮的花粉粒粘着于雌球花的几率，在任何情况下都是很小的。 www.bing.com 3. Germination of the pollen grain to give the pollen tube usually takes place only when the pollen is compatible with the stigma tissue. 只有当花粉与柱头组织相一致时，花粉粒才会萌发，产生花粉管。 plb.snnu.edu.cn 4. A microscopic fossil, AS of a pollen grain or unicellular organism. 微体化石一种微小的化石，如花粉粒或单细胞有机体的化石 dict.ebigear.com 5. These are structurally similar and are expressed on both the stigma surface and the surface of the pollen grain. 它们的结构相近，并且同时在柱头的表面和花粉粒的表面表达。 jxzy.lynu.edu.cn 6. Stamens included size of anther, pollen number ofp er anther, size, shape and viability of pollen grain. 雄蕊检测包括花药大小，单花药花粉量，花粉粒形状、大小和生活力。 dictsearch.appspot.com 7. Active proton pump on the pollen grain membrane drives H efflux, hyperpolarize the membrane and triggers signaling transduction. 花粉细胞质膜上存在质子泵，由其活化导致的H 外流可以影响细胞膜电位，引发一系列信号转导过程。 www.lw23.com 8. In seed plants it is the generative cell in the pollen grain, which divides in the pollen tube to produce two sperm cells. 在种子植物中，它是在花粉粒中的生殖细胞，可以在花粉管内分裂形成两个精子。 www.biodic.cn 9. Anther sac including pollen grain, flowered medicine wall two parts. 花粉囊包括花粉粒、花药壁二部分。 zhidao.baidu.com 10. The innermost wall of a spore or pollen grain. 内壁孢子或花粉粒最深处的壁 dict.hjenglish.com 1. Discussion on the origination of Chinese tree- peony cultivars according to pollen grain morphology . 根据花粉形态探讨中国栽培牡丹的起源。 www.bing.com 2. In the newly formed pollen tube, the coated vesicles mainly come from the pollen grain. 刚刚形成的花粉管中，被膜小泡主要来自于花粉粒营养细胞的细胞质。 dictsearch.appspot.com 3. The locomotion of sperm cells from pollen grain into the tube was examined by using the above technique. 用同样的方法，也观察了精细胞在花粉管中的运动。成对的精细胞可以从花粉管中释放出来。 epub.cnki.net 4. Germination The first outward sign of trowth of a reproductive body, such as a spore or pollen grain. 萌芽（萌发）：是繁殖体长出孢子，花粉粒等的过程。 plb.snnu.edu.cn 5. When the sterile plant of male-sterile mean line of cabbage 88 - 3 flowering, there is no pollen grain in the anther. 大白菜雄性不育两用系88-3的不育株，其开花时花药内无花粉粒； dictsearch.appspot.com 6. Pollen grain trilobate in polar view. 花粉粒三裂在极面观。 www.flora.ac.cn 7. Pollen grain is mainly 2-celled type when shed, occasionally 3-celled type, and has three apertures. 成熟花粉多为2-细胞型，偶见3-细胞型，具三萌发孔。 d.wanfangdata.com.cn 8. Compare with control experiment. There are obvious differences on morphology from petal, calyx, stigma and pollen grain size and so on. 与对照相比，在形态学上，花瓣、萼片、柱头，花粉粒大小等变化较明显。 xb.ynau.edu.cn 9. pollen grain semilobate in polar view. 花粉粒半裂在极面观。 www.flora.ac.cn 10. The mature pollen grain belongs to two cells: 1 vegetative cell and 1 germ cell. 成熟花粉粒属于二细胞型：1个营养细胞和1个生殖细胞。 www.taody.com 1. We can see spinous pollen grain in the fruit by microscope. 显微观察可见，果中的刺球状花粉粒最为显著。 dictsearch.appspot.com 2. So, that is 20 micrometers across, that pollen grain there. 直径是20微米，那粒花粉。 www.ted.com 3. Since a pollen grain is the result of meiosis, it has a single set of chromosomes and it is this that is recognized. 既然花粉粒是减数分裂的结果，那么它含有单套染色体，而被识别的正是这套染色体。 jxzy.lynu.edu.cn 4. Scanning electron micrograph of pollen grain surface in Lychnis alba 扫描电子显微镜下的剪秋罗花粉粒表面 jpkc.zju.edu.cn 5. Each pollen grain has two walls, the outer wall to form two hemispherical sides highlighted the airbag (fin); 每个花粉粒有两层壁，外壁向两侧突出形成两个半球状的气囊（翅）； baike.soso.com 6. The Coated Vesicles in Hydrating Pollen Grain and Pollen Tube of Buckwheat 荞麦水合花粉和花粉管中的被膜小泡 www.ilib.cn 7. A study on the exine microstructure of pollen grain of Populus 杨树各派代表树种花粉粒表面微观结构研究 www.wanfangdata.com.cn 8. The pumpkin pollen grain in the middle is0. 2mm and just about visible to the naked eye 中间的南瓜花粉有0.2毫米，肉眼刚刚能看见。 www.bing.com |
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